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The earliest data is from
The most recent data is from Thursday, October 19th, 2017

Days where outflow from Lake Powell was 20000.00 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP
Tue, Mar 31, 1998
3673.12
20273474
22384.00
20000.00
54.0
33.0
--
Wed, Mar 18, 1998
3673.56
20335388
11146.00
20000.00
63.0
35.0
--
Tue, Feb 10, 1998
3677.83
20943750
11568.00
20000.00
n/a
n/a
--
Wed, Jan 14, 1998
3680.84
21380680
11418.00
20000.00
52.0
32.0
--
Wed, Jan 07, 1998
3681.62
21495014
12834.00
20000.00
45.0
24.0
--
Fri, Jan 02, 1998
3682.05
21558230
12284.00
20000.00
52.0
30.0
--
Tue, Dec 09, 1997
3684.97
21991264
13334.00
20000.00
50.0
29.0
--
Fri, Oct 24, 1997
3689.33
22649896
16230.00
20000.00
71.0
43.0
64.5
Thu, Oct 16, 1997
3689.81
22723280
17657.00
20000.00
72.0
43.0
--
Wed, Oct 01, 1997
3690.29
22796838
20499.00
20000.00
86.0
59.0
--
Mon, Feb 17, 1997
3668.90
19686788
10589.00
20000.00
57.0
36.0
--
Sun, Feb 16, 1997
3669.03
19704682
10436.00
20000.00
58.0
32.0
--
Sat, Feb 15, 1997
3669.18
19725310
10162.00
20000.00
54.0
28.0
--
Fri, Feb 14, 1997
3669.31
19743232
10191.00
20000.00
52.0
25.0
--
Thu, Feb 13, 1997
3669.45
19762510
10419.00
20000.00
54.0
29.0
--
Wed, Feb 12, 1997
3669.64
19788710
10253.00
20000.00
51.0
29.0
--
Tue, Jun 26, 1990
3650.59
17289760
12180.00
20000.00
106.0
77.0
--
Mon, Sep 14, 1987
3689.90
22736786
7786.00
20000.00
83.0
51.0
--
Sun, Aug 23, 1987
3692.58
23149912
6757.00
20000.00
86.0
65.0
--
Sat, Nov 29, 1986
3688.17
22472998
20941.00
20000.00
59.0
36.0
--
Mon, Nov 03, 1986
3689.18
22627350
20809.00
20000.00
65.0
44.0
--
Wed, Oct 01, 1986
3689.60
22691214
17203.00
20000.00
71.0
48.0
--
Wed, May 01, 1985
3685.04
22002006
49505.00
20000.00
86.0
57.0
--
Tue, Aug 31, 1982
3686.64
22337452
14259.00
20000.00
91.0
69.0
--
Fri, Sep 01, 1978
3645.54
16852912
6079.00
20000.00
94.0
68.0
--
Wed, Mar 02, 1977
3651.19
17584460
6268.00
20000.00
51.0
22.0
--
Wed, Jun 02, 1976
3668.06
19841750
32764.00
20000.00
93.0
68.0
--
Wed, Jul 02, 1975
3669.56
20079842
50094.00
20000.00
103.0
72.0
--
Wed, Mar 14, 1973
3601.45
12120252
11187.00
20000.00
52.0
35.0
--
Wed, Dec 27, 1972
3606.65
12656928
13803.00
20000.00
44.0
26.0
--
Thu, Dec 14, 1972
3607.90
12783557
10698.00
20000.00
38.0
19.0
--
Wed, May 26, 1971
3607.69
12782477
24958.00
20000.00
89.0
56.0
--
Tue, Apr 28, 1964
3399.80
700601
9819.00
20000.00
79.0
49.0
--


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Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZ
Water temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Acre Feet per day
Outflow - Acre Feet per day
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = * Flow CFS
TP = Total Precipitation



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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
*Air temp data is sourced from (Prev 24 Hr Extremes):    Weather
Weather forecast for
All data is provisional and subject to review and modification
USBR Source Data


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1999 - 2017


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